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/*
* Copyright (C) 2015 The Android Open Source Project
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package android.security.keystore;
import java.security.Key;
/**
* {@link Key} backed by Android Keystore.
*
* @hide
*/
public class AndroidKeyStoreKey implements Key {
private final String mAlias;
private final String mAlgorithm;
public AndroidKeyStoreKey(String alias, String algorithm) {
mAlias = alias;
mAlgorithm = algorithm;
}
String getAlias() {
return mAlias;
}
@Override
public String getAlgorithm() {
return mAlgorithm;
}
@Override
public String getFormat() {
// This key does not export its key material
return null;
}
@Override
public byte[] getEncoded() {
// This key does not export its key material
return null;
}
@Override
public int hashCode() {
final int prime = 31;
int result = 1;
result = prime * result + ((mAlgorithm == null) ? 0 : mAlgorithm.hashCode());
result = prime * result + ((mAlias == null) ? 0 : mAlias.hashCode());
return result;
}
@Override
public boolean equals(Object obj) {
if (this == obj) {
return true;
}
if (obj == null) {
return false;
}
if (getClass() != obj.getClass()) {
return false;
}
AndroidKeyStoreKey other = (AndroidKeyStoreKey) obj;
if (mAlgorithm == null) {
if (other.mAlgorithm != null) {
return false;
}
} else if (!mAlgorithm.equals(other.mAlgorithm)) {
return false;
}
if (mAlias == null) {
if (other.mAlias != null) {
return false;
}
} else if (!mAlias.equals(other.mAlias)) {
return false;
}
return true;
}
}
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